import React from 'react'
import ReactEcharts from 'echarts-for-react'
import echarts from 'echarts'

const currentData = [
  [[28604, 77, 17096869, 'Australia', 1990], [31163, 77.4, 27662440, 'Canada', 1990], [1516, 68, 1154605773, 'China', 1990], [13670, 74.7, 10582082, 'Cuba', 1990], [28599, 75, 4986705, 'Finland', 1990], [29476, 77.1, 56943299, 'France', 1990], [31476, 75.4, 78958237, 'Germany', 1990], [28666, 78.1, 254830, 'Iceland', 1990], [1777, 57.7, 870601776, 'India', 1990], [29550, 79.1, 122249285, 'Japan', 1990], [2076, 67.9, 20194354, 'North Korea', 1990], [12087, 72, 42972254, 'South Korea', 1990], [24021, 75.4, 3397534, 'New Zealand', 1990], [43296, 76.8, 4240375, 'Norway', 1990], [10088, 70.8, 38195258, 'Poland', 1990], [19349, 69.6, 147568552, 'Russia', 1990], [10670, 67.3, 53994605, 'Turkey', 1990], [26424, 75.7, 57110117, 'United Kingdom', 1990], [37062, 75.4, 252847810, 'United States', 1990]],
  [[44056, 81.8, 23968973, 'Australia', 2015], [43294, 81.7, 35939927, 'Canada', 2015], [13334, 76.9, 1376048943, 'China', 2015], [21291, 78.5, 11389562, 'Cuba', 2015], [38923, 80.8, 5503457, 'Finland', 2015], [37599, 81.9, 64395345, 'France', 2015], [44053, 81.1, 80688545, 'Germany', 2015], [42182, 82.8, 329425, 'Iceland', 2015], [5903, 66.8, 1311050527, 'India', 2015], [36162, 83.5, 126573481, 'Japan', 2015], [1390, 71.4, 25155317, 'North Korea', 2015], [34644, 80.7, 50293439, 'South Korea', 2015], [34186, 80.6, 4528526, 'New Zealand', 2015], [64304, 81.6, 5210967, 'Norway', 2015], [24787, 77.3, 38611794, 'Poland', 2015], [23038, 73.13, 143456918, 'Russia', 2015], [19360, 76.5, 78665830, 'Turkey', 2015], [38225, 81.4, 64715810, 'United Kingdom', 2015], [53354, 79.1, 321773631, 'United States', 2015]],
]

const option = {
  backgroundColor: new echarts.graphic.RadialGradient(0.3, 0.3, 0.8, [{
    offset: 0,
    color: '#f7f8fa',
  }, {
    offset: 1,
    color: '#cdd0d5',
  }]),
  title: {
    text: '1990 与 2015 年各国家人均寿命与 GDP',
  },
  legend: {
    right: 10,
    data: ['1990', '2015'],
  },
  xAxis: {
    splitLine: {
      lineStyle: {
        type: 'dashed',
      },
    },
  },
  yAxis: {
    splitLine: {
      lineStyle: {
        type: 'dashed',
      },
    },
    scale: true,
  },
  series: [{
    name: '1990',
    data: currentData[0],
    type: 'scatter',
    symbolSize (data) {
      return Math.sqrt(data[2]) / 5e2
    },
    label: {
      emphasis: {
        show: true,
        formatter (param) {
          return param.data[3]
        },
        position: 'top',
      },
    },
    itemStyle: {
      normal: {
        shadowBlur: 10,
        shadowColor: 'rgba(120, 36, 50, 0.5)',
        shadowOffsetY: 5,
        color: new echarts.graphic.RadialGradient(0.4, 0.3, 1, [{
          offset: 0,
          color: 'rgb(251, 118, 123)',
        }, {
          offset: 1,
          color: 'rgb(204, 46, 72)',
        }]),
      },
    },
  }, {
    name: '2015',
    data: currentData[1],
    type: 'scatter',
    symbolSize (data) {
      return Math.sqrt(data[2]) / 5e2
    },
    label: {
      emphasis: {
        show: true,
        formatter (param) {
          return param.data[3]
        },
        position: 'top',
      },
    },
    itemStyle: {
      normal: {
        shadowBlur: 10,
        shadowColor: 'rgba(25, 100, 150, 0.5)',
        shadowOffsetY: 5,
        color: new echarts.graphic.RadialGradient(0.4, 0.3, 1, [{
          offset: 0,
          color: 'rgb(129, 227, 238)',
        }, {
          offset: 1,
          color: 'rgb(25, 183, 207)',
        }]),
      },
    },
  }],
}

const BubbleGradientComponent = () => {
  return (<ReactEcharts
    option={option}
    style={{ height: '700px', width: '100%' }}
    className="react_for_echarts"
  />)
}

export default BubbleGradientComponent
